<div class="f_row_ac container_pbcc">
    <button class="item_btn_pbcc plr10" ng-class="{'active_item_btn_pbcc':item[$ctrl.mainObject.setting.value]===$ctrl.modelKey}" ng-click="$ctrl.modelKey=item[$ctrl.mainObject.setting.value]" type="button" ng-repeat="item in $ctrl.list">{{item[$ctrl.mainObject.setting.key]}}</button>
</div>